Skip to main content

Table 1 Characteristic of Infants

From: Retrospective validation of the postnatal Growth and Retinopathy of Prematurity (G-ROP) criteria in a Swiss cohort

  ROP type 1 ROP type 2 Low-grade None Excluded
Birthweight, g  
 mean (SD) 637 (167) 596 (145) 799 (209) 1134 (301) 1588 (498)
 median 705 540 720 1145 1490
gestational age, weeks
 mean (SD) 25.5 (0.8) 25.1 (0.8) 26.8 (2.0) 28.9 (2.1) 32.5 (2.6)
 median 25.4 24.7 26.3 29 32.3
 male, n (%) 7 (50) 4 (44.4) 25 (53.2) 136(53.9) 186(53.0)